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To improve its textural properties as a support for platinum catalyst, carbon aerogel was chemically activated with KOH as a chemical agent. Carbon-supported platinum catalyst was subsequently prepared using the prepared carbon supports(carbon aerogel(CA), activated carbon aerogel(ACA), and commercial activated carbon(AC)) by an incipient wetness impregnation. The prepared carbon-supported platinum catalysts were applied to decalin dehydrogenation for hydrogen production. Both initial hydrogen evolution rate and total hydrogen evolution amount were increased in the order of Pt/CA < Pt/AC < Pt/ACA. This means that the chemical activation process served to improve the catalytic activity of carbon-supported platinum catalyst in this reaction. The high surface area and the well-developed mesoporous structure of activated carbon aerogel obtained from the activation process facilitated the high dispersion of platinum in the Pt/ACA catalyst. Therefore, it is concluded that the enhanced catalytic activity of Pt/ACA catalyst in decalin dehydrogenation was due to the high platinum surface area that originated from the high dispersion of platinum.
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참고문헌 (15)
참고문헌 신청
Shaimaa Mohamed abdel-all Ibrahim / 2014 / Hydrogen storage in proton-conductive perovskite-type oxides and their application / Korean Journal of Chemical Engineering 31(10):1792~1797
A. Shukla / 2012 / Int. J. Hydrogen Energy 37:3719
M. P. Lázaro / 2008 / Catal. Today 138:203
R. B. Biniwale / 2008 / Int. J. Hydrogen Energy 33:360
D. sbastían / 2014 / Int. J. Hydrogen Energy 39:4109
A. Shukla / 2012 / Int. J. Hydrogen Energy 37:3719
M. P. Lázaro / 2008 / Catal. Today 138:203
R. B. Biniwale / 2008 / Int. J. Hydrogen Energy 33:360
D. sbastían / 2014 / Int. J. Hydrogen Energy 39:4109
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